Virtue based ethics are positive quality or traits that are indications of moral excellence. Some examples of virtue based ethics are friendliness, generosity and bravery.

yes

Yes, Virtue ethics is making a comeback thanks to the work of Philosophers such as Alasdair Macintyre who wrote the book "After Virtue".

The most significant modern proponent of virtue ethics is often considered to be Alasdair MacIntyre. MacIntyre's book "After Virtue" is a seminal work in contemporary virtue ethics and has had a significant impact on the field. He argues for a return to Aristotelian virtue ethics and criticizes modern moral philosophy for lacking a coherent framework for ethical decision-making.

The differences between the classic's and modern's reference of human nature virtue and ethics lies in interpretation of virtue.